A functionalist account of truth-grounding: refining Lynch’s view

Abstract This paper aims to improve on Michael Lynch’s functionalist account of truth-grounding. According to Lynch, truth is grounded in another (non-generic) alethic property when the latter has all the conceptually essential features of truth. However, this view faces a problem raised by Marian David (“Lynch’s Functionalist Theory of Truth”) and Crispin Wright (“A Plurality of Pluralisms”), which is that some conceptually essential features of truth are not possessed by the properties usually taken to ground it (such as correspondence and superwarrant), so that Lynch’s account cannot allow truth to be grounded in these properties. In response to this objection, I propose to modify Lynch’s account by restricting the range of truth’s essential features that a truth-grounding property must have to the class of what I call the “bearer-centered” features of truth. They are those features whose possession by truth amounts to certain facts about how propositions bearing truth behave. The resultant account then is that truth is grounded in a property when the latter has all the essential and bearer-centered features of truth. This account is immune to the David–Wright objection because the features they mention do not belong to the class of bearer-centered features. Also, this account is well-motivated by some principled reasons. The account thus serves as a viable functionalist account of truth-grounding.